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A comment on Sweden Runs Out of Garbage With Waste-to-Energy. Parent comment
They actually have machines for that. There's a youtube video on how they sort types of plastic.
> Glass needs to be sorted into 4-5 different colors
Sorting by color is trivial to automate.
> Paper needs to be sorted into 4-5 different qualities.
Yes. However where I live you have to separate cardboard from everything else. Most other paper gets shredded into pulp and recycled.
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They actually have machines for that. There's a youtube video on how they sort types of plastic.
> Glass needs to be sorted into 4-5 different colors
Sorting by color is trivial to automate.
> Paper needs to be sorted into 4-5 different qualities.
Yes. However where I live you have to separate cardboard from everything else. Most other paper gets shredded into pulp and recycled.